Claire's Eco Store are delighted to feature water powered products that aim to save you energy. Products available from our water powered section include water powered calculators, alarm clocks, radios, toys and much more! Why not take a look at the below products for more information. Many of our products use water to replace conventional batteries... so no more hunting around your home for spare batteries to power your clock or radio.. There is no need with these products from Claire's Eco Store! - They just need water!